In 16 battleground states, Trump won the recorded vote by 48.0-45.9%, a 2.1% margin. Clinton led the pre-election polls by 44.5-44.1%, a 0.4% margin.

When undecided voters are allocated (UVA), Trump leads the 16-poll average 46.6-45.3%. Using the Gallup National Voter affiliation survey (40Ind-32Dem-28Rep) to derive each state’s Party-ID, Trump leads 48.9-43.1%.

Clinton won the 16 unadjusted exit polls 47.4-45.6%, a 1.8% margin.

There was a 2.5% average margin discrepancy between the pre-election 16-poll average and the corresponding recorded vote average. The 4.6% difference between the 2.5% discrepancy and the 2.1% national recorded margin is an indicator that the pre-election polls were biased for the Democrats.

In 10 final National pre-election polls, Clinton led 46.8-43.6%, a 3.2% margin. She won the National recorded vote by 48.3-46.2%, a 2.1% margin.

Summary of 16 Battleground states:Unweighted averages:
Clinton won the pre-election polls by 44.5-44.1%.
Clinton won the unadjusted exit polls by 47.4-45.6%
Trump won the recorded vote by 48.0-45.9%.
Trump won the UVA-adjusted polls by 46.6-45.3%.Trump won the Gallup Party-ID adjusted polls by 48.9-43.1%.

Weighted averages (56.8 million votes):
Clinton won the pre-election polls by 45.0-44.7%.
Clinton won the unadjusted exit polls by 47.5-46.1%
Trump won the recorded vote by 48.4-46.1%.
Trump won the UVA-adjusted polls by 47.0-45.7%.Trump won the Gallup Party-ID adjusted polls by 48.5-43.9%.